Pictures: Florida's invasive species

JACKIE GUZY, BIOLOGICAL RESEARCH ASSOCIATES

A tegu similar to this was spotted in May in Ocala National Forest. The tegu is a 4-foot-long lizard from Argentina with sharp claws, a voracious appetite for meat and the possibility of tipping the ecological applecart. It has a taste for gopher tortoise eggs.

A tegu similar to this was spotted in May in Ocala National Forest. The tegu is a 4-foot-long lizard from Argentina with sharp claws, a voracious appetite for meat and the possibility of tipping the ecological applecart. It has a taste for gopher tortoise eggs. (JACKIE GUZY, BIOLOGICAL RESEARCH ASSOCIATES)

Caribbean crazy ants crawl on a man's hand Thursday, Aug. 21, 2008, in Sarasota. Named for their point of origin and their erratic movement, Caribbean crazy ants do not sting and rarely bite. That's the good news. The bad news: No one knows how to get rid of them. And there is no concerted effort to study the insects, which have already been found in most of Florida. Homeowners encountering infestations on their patios have to sweep dead ants away on an almost daily basis.

Caribbean crazy ants crawl on a man's hand Thursday, Aug. 21, 2008, in Sarasota. Named for their point of origin and their erratic movement, Caribbean crazy ants do not sting and rarely bite. That's the good news. The bad news: No one knows how to get rid of them. And there is no concerted effort to study the insects, which have already been found in most of Florida. Homeowners encountering infestations on their patios have to sweep dead ants away on an almost daily basis. (THE ASSOCIATED PRESS FILE)